8 Channel USB Relay Module Intelligent Control Switch Onboard CH340 USB to Serial Port Control Chip LCUS-8 USB Relay Module

product description: 1: Widely used 2: The module has overcurrent protection and relay diode freewheeling protection functions. 3: Simple to use 4: Power supply voltage: 5V, support USB power supply/external power supply switch; 5: Onboard CH340 USB to serial control chip product description? The LCUS-8 USB relay module is equipped with a stable USB-to-serial chip and microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the on and off of 8 relays. It can also send commands to query the status of the relays. Features? 1. Onboard 8-bit high-performance microcontroller chip; 2. Onboard CH340 USB to serial control chip; 3. Onboard power LED indicator and relay status LED indicator; 4. Support relay switch status query, query command: 0XFF; 5. Onboard 8 5V, l 0A/250VAC, 10A/30VDC relays, relay The electrical appliance has a long service life and can be connected continuously for 100,000 times; 6. Power supply voltage: 5V, support USB power supply/external power supply switch; 7. Output type: relay switch signal; 8. The module has overcurrent protection and relay diode freewheeling protection functions. 9, Board size: 76.9*80.6MM Checklist? 1*relay module